:root {
  color-scheme: light;
  --bg: #f4f4f1;
  --surface: #fcfcfb;
  --border: #e3e2dc;
  --text: #0b0b0b;
  --text-2: #52514e;
  --muted: #74736d;
  --accent: #2a78d6;
  --series: #2a78d6;
  --grid: #e3e2dc;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --good-ink: #0a6b0a;
  --warning-ink: #8a5a00;
  --critical-ink: #b02a2a;
  --good-bg: #e6f4e6;
  --warning-bg: #fdf1d6;
  --critical-bg: #fbe4e4;
  --empty: #e9e8e3;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #111110;
    --surface: #1a1a19;
    --border: #2e2e2c;
    --text: #ffffff;
    --text-2: #c3c2b7;
    --muted: #9a998f;
    --accent: #3987e5;
    --series: #3987e5;
    --grid: #2e2e2c;
    --good-ink: #5fd35f;
    --warning-ink: #fab219;
    --critical-ink: #f07a7a;
    --good-bg: #13301a;
    --warning-bg: #3a2c0c;
    --critical-bg: #3d1616;
    --empty: #2a2a28;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
code { font: 0.9em ui-monospace, SFMono-Regular, Consolas, monospace; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 0.4em; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.1rem; }
h3 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-2); }
.small { font-size: 0.85rem; }
.muted { color: var(--muted); }
.hot { color: var(--critical-ink); font-weight: 600; }

.top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 12px 24px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; color: var(--text); text-decoration: none; font-size: 1.05rem; }
.brand-mark { color: var(--accent); }
.top nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.top nav a { color: var(--text-2); text-decoration: none; }
.top nav a:hover { color: var(--text); }
.top form { margin: 0; }
main { max-width: 1320px; margin: 0 auto; padding: 24px; }

button.link { background: none; border: 0; padding: 0; color: var(--text-2); font: inherit; cursor: pointer; }
.button {
  display: inline-block; padding: 9px 16px; border-radius: 8px; border: 1px solid var(--accent);
  background: var(--accent); color: #fff; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
}
.button.secondary { background: transparent; color: var(--accent); }
.button.danger { background: transparent; border-color: var(--critical); color: var(--critical-ink); }
.button:disabled { opacity: 0.5; cursor: not-allowed; }

/* Status pills: always an icon and a label, never color alone. */
.pill {
  display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 999px;
  font-size: 0.8rem; font-weight: 600; white-space: nowrap; border: 1px solid transparent;
}
.pill-up { background: var(--good-bg); color: var(--good-ink); }
.pill-warn { background: var(--warning-bg); color: var(--warning-ink); }
.pill-fail, .pill-down { background: var(--critical-bg); color: var(--critical-ink); }
.pill-unknown { border-color: var(--border); color: var(--muted); }

.summary {
  display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--border); border-left: 5px solid var(--good);
  border-radius: 12px; padding: 20px 24px; margin-bottom: 20px;
}
.summary-warn { border-left-color: var(--warning); }
.summary-fail, .summary-down { border-left-color: var(--critical); }
.eyebrow { margin: 0 0 4px; font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.summary h1 { margin: 0 0 4px; }
.summary .muted { margin: 0; }
.tally { display: flex; gap: 22px; margin: 0; }
.tally div { text-align: center; }
.tally dd { margin: 4px 0 0; font-size: 1.7rem; font-weight: 700; font-variant-numeric: tabular-nums; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 400px), 1fr)); gap: 18px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px;
  display: flex; flex-direction: column; gap: 14px; min-width: 0;
}
.card-down, .card-fail { border-color: var(--critical); }
.card-warn { border-color: var(--warning); }
.card-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.card-head h2 { margin: 0; }
.card-head h2 a { color: var(--text); text-decoration: none; }
.card-head h2 a:hover { text-decoration: underline; }
.host { font-size: 0.85rem; color: var(--muted); text-decoration: none; }
.card-status { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; }
.since { font-size: 0.75rem; color: var(--muted); }
.reasons { margin: 0; padding: 8px 12px 8px 28px; background: var(--warning-bg); border-radius: 8px; font-size: 0.85rem; }
.card-down .reasons, .card-fail .reasons { background: var(--critical-bg); }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.stats div { display: flex; flex-direction: column; }
.k { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.v { font-size: 1.05rem; font-weight: 650; font-variant-numeric: tabular-nums; }

.chart-block { display: flex; flex-direction: column; gap: 4px; }
.chart-title { font-size: 0.75rem; color: var(--text-2); }
.strip { width: 100%; height: 22px; display: block; }
.cell { fill: var(--empty); }
.cell-up { fill: var(--good); }
.cell-warn { fill: var(--warning); }
.cell-fail, .cell-down { fill: var(--critical); }
.cell:hover { opacity: 0.75; }

.spark { position: relative; margin: 0; }
.spark svg { width: 100%; height: 48px; display: block; overflow: visible; }
.spark .line { fill: none; stroke: var(--series); stroke-width: 2; vector-effect: non-scaling-stroke; stroke-linejoin: round; stroke-linecap: round; }
.spark .base { stroke: var(--grid); stroke-width: 1; vector-effect: non-scaling-stroke; }
.spark .cross { stroke: var(--text-2); stroke-width: 1; vector-effect: non-scaling-stroke; stroke-dasharray: 3 3; }
.spark-empty { font-size: 0.8rem; color: var(--muted); height: 48px; display: flex; align-items: center; }
.tip {
  position: absolute; top: -30px; transform: translateX(-50%); pointer-events: none; white-space: nowrap;
  background: var(--text); color: var(--surface); font-size: 0.75rem; padding: 3px 8px; border-radius: 6px;
}

.bars { width: 100%; height: 36px; display: block; margin-top: 6px; }
.bars .bar { fill: var(--series); }
.bars .hit { fill: transparent; }
.bars .hit:hover { fill: var(--grid); fill-opacity: 0.35; }

.report { border-top: 1px solid var(--border); padding-top: 14px; display: flex; flex-direction: column; gap: 14px; }
.report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.group p { margin: 6px 0 0; }
.meter { display: grid; grid-template-columns: 70px 1fr 56px; align-items: center; gap: 8px; font-size: 0.85rem; margin: 5px 0; }
.meter-label { color: var(--text-2); }
.meter-track { height: 8px; background: var(--empty); border-radius: 4px; overflow: hidden; }
.meter-fill { display: block; height: 100%; background: var(--series); border-radius: 4px; }
.meter-warn .meter-fill { background: var(--serious); }
.meter-val { text-align: right; font-variant-numeric: tabular-nums; }
.meter-warn .meter-val { color: var(--critical-ink); font-weight: 600; }
.counts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin: 0; }
.counts dt { font-size: 0.7rem; color: var(--muted); }
.counts dd { margin: 0; font-size: 1.05rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.lights { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.light { font-size: 0.8rem; padding: 2px 9px; border-radius: 999px; background: var(--good-bg); color: var(--good-ink); }
.light-warn { background: var(--warning-bg); color: var(--warning-ink); }
.light-fail { background: var(--critical-bg); color: var(--critical-ink); }
.problems { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.problem { padding: 7px 10px; border-radius: 8px; background: var(--warning-bg); font-size: 0.85rem; }
.problem-fail { background: var(--critical-bg); }
.problem-fail > span:first-child, .problem-fail strong { color: var(--critical-ink); }
.problem-warn > span:first-child { color: var(--warning-ink); }
.foot { margin: 0; }
.metrics { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 8px 12px; margin: 0; }
.metrics dt { font-size: 0.7rem; color: var(--muted); }
.metrics dd { margin: 0; font-size: 1.05rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.metrics .unit { font-size: 0.75rem; font-weight: 400; color: var(--muted); }
.warn-ink { color: var(--warning-ink); font-weight: 600; }

/* Problem details fold behind their counts. */
.problems-toggle { margin-top: 8px; font-size: 0.85rem; }
.problems-toggle summary { cursor: pointer; list-style: none; display: inline-flex; gap: 6px; align-items: center; padding: 3px 0; }
.problems-toggle summary::-webkit-details-marker { display: none; }
.problems-toggle summary::before { content: "▸"; color: var(--muted); }
.problems-toggle[open] summary::before { content: "▾"; }
.problems-toggle summary:hover .muted { color: var(--text-2); text-decoration: underline; }

/* Card body: stacked in the grid, side by side when one per row. */
.card-body, .card-main, .card-side { display: flex; flex-direction: column; gap: 14px; min-width: 0; }

.toolbar { display: flex; justify-content: flex-end; align-items: center; gap: 6px; margin: -8px 0 12px; }
.seg {
  font: inherit; font-size: 0.85rem; padding: 5px 12px; border: 1px solid var(--border); background: var(--surface);
  color: var(--text-2); cursor: pointer;
}
.seg:first-of-type { border-radius: 8px 0 0 8px; }
.seg:last-of-type { border-radius: 0 8px 8px 0; margin-left: -1px; }
.seg[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.seg:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

body[data-layout="rows"] .cards { grid-template-columns: 1fr; }
@media (min-width: 900px) {
  body[data-layout="rows"] .card-body { display: grid; grid-template-columns: minmax(300px, 2fr) 3fr; gap: 28px; align-items: start; }
  body[data-layout="rows"] .card-side .report { border-top: 0; padding-top: 0; border-left: 1px solid var(--border); padding-left: 24px; }
  body[data-layout="rows"] .outside-only { border-left: 1px solid var(--border); padding-left: 24px; margin: 0; }
}
.tag-warn { color: var(--warning-ink); font-weight: 600; }

.incidents, .panel { margin-top: 28px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px; }
.panel.narrow { max-width: 520px; margin: 40px auto; }
.incident-list { list-style: none; margin: 0; padding: 0; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
.incident-list li { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 10px 16px; border-top: 1px solid var(--border); }
.incident-list li:first-child { border-top: 0; }
.incident-list time { color: var(--muted); font-size: 0.85rem; min-width: 64px; }
.who { font-weight: 600; }
.empty { padding: 40px; text-align: center; background: var(--surface); border: 1px dashed var(--border); border-radius: 12px; }
.crumbs { color: var(--muted); font-size: 0.9rem; margin: 0 0 14px; }

.checks { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.checks th, .checks td { text-align: left; padding: 8px 10px; border-top: 1px solid var(--border); vertical-align: top; }
.checks tr:first-child th, .checks tr:first-child td { border-top: 0; }
.checks th { width: 140px; color: var(--text-2); font-weight: 600; }
.actions { display: flex; gap: 14px; align-items: center; margin-top: 16px; flex-wrap: wrap; }
.actions form { margin: 0; }

.form { display: flex; flex-direction: column; gap: 14px; }
.form label { display: flex; flex-direction: column; gap: 5px; font-weight: 600; font-size: 0.9rem; }
.form label.check { flex-direction: row; align-items: center; font-weight: 400; }
.form input:not([type="checkbox"]) {
  font: inherit; padding: 9px 11px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text);
}
.form input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
details summary { cursor: pointer; color: var(--text-2); margin-bottom: 10px; }
details label { margin-bottom: 12px; }
.error { background: var(--critical-bg); color: var(--critical-ink); padding: 10px 14px; border-radius: 8px; }
.danger-zone { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--border); }
.secret code { font-size: 1.2rem; letter-spacing: 0.08em; word-break: break-all; }
.recovery { columns: 2; font-size: 1rem; }

@media (max-width: 640px) {
  main { padding: 16px; }
  .top { padding: 12px 16px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .report-grid { grid-template-columns: 1fr; }
  .summary { padding: 16px; }
  .panel { padding: 16px; }
}